PAD43/4 (43R)
SITEPlesetsk Cosmodrome, Russian Federation →ORBITLow Earth Orbit
TYPEGovernment/Top Secret
MISSION OVERVIEW
Lotos-S1 spacecraft is a part of the Liana constellation, designed for orbital electronic intelligence.
LAUNCH DETAILS
VEHICLE
Soyuz 2.1bAGENCY
Russian Space ForcesMISSION
Lotos-S1
MISSION TYPE
Government/Top Secret
TARGET ORBIT
Low Earth Orbit
LAUNCH PAD
43/4 (43R)LAUNCH SITE
Plesetsk Cosmodrome, Russian FederationCOUNTRY
RUS
LAUNCH TIME VERIFICATION
CONFIRMEDPrecision: Minute
LAUNCH LIBRARY 2 PRIMARY
API ID: 56f39560-df79-4cf2-9b24-ffbab6dd3cd5
Reported date: Dec 2, 2017 at 10:43 UTC
Last synced: 3 hours ago
This launch date and time are confirmed by the launch provider. Countdown is active.
LAUNCH MAP
PAD WEATHER
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VEHICLE — Soyuz 2.1b →
MANUFACTURER
Progress Rocket Space Center
FLIGHTS
23
SUCCESSES
23
SUCCESS RATE
100%
Soyuz-2 is the 21st-century version of the Russian Soyuz rocket. In its basic form, it is a three-stage carrier rocket for placing payloads into low Earth orbit. The 2.1b version adds an upgraded engine (RD-0124) with improved performance to the second stage.
FREQUENTLY ASKED QUESTIONS
When is the Soyuz-2.1b | Lotos-S1 (Kosmos-2524) launch?
The Soyuz-2.1b | Lotos-S1 (Kosmos-2524) is scheduled for Saturday, December 2, 2017 at 10:43 AM UTC. This is the NET (No Earlier Than) time and may be subject to change. Current status: SUCCESS.
What rocket is being used for Lotos-S1?
The Soyuz-2.1b | Lotos-S1 (Kosmos-2524) mission uses the Soyuz 2.1b rocket, manufactured by Progress Rocket Space Center. The Soyuz 2.1b has flown 23 times with a 100% success rate.
Where is the Soyuz-2.1b | Lotos-S1 (Kosmos-2524) launching from?
The launch takes place from 43/4 (43R) at Plesetsk Cosmodrome, Russian Federation.
What orbit is Lotos-S1 going to?
The Lotos-S1 mission is targeting Low Earth Orbit.
Who is launching Lotos-S1?
The Soyuz-2.1b | Lotos-S1 (Kosmos-2524) is operated by Russian Space Forces.
Can I watch the Soyuz-2.1b | Lotos-S1 (Kosmos-2524) launch live?
Yes. Visit the launch detail page on Space Launch Live for embedded YouTube webcasts, replay videos, and links to live coverage from SpaceX, NASA, NASASpaceflight, and other channels.
LAUNCH TIMELINE
Mar 28, 2026 20:33 UTC
Launch added to tracker
Imported from Launch Library 2 API
Mar 28, 2026 20:33 UTC
Launch date set: Dec 2, 2017 at 10:43 UTC
NET (No Earlier Than) confirmed by Russian Space Forces
Mar 28, 2026 20:33 UTC
Launch completed successfully
Updated via Launch Library 2
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LIVE DATA SOURCES
Last data sync: 3 hours ago
●Launch Library 23 hours ago
Launch ID: 56f39560-df79-4cf2-9b24-ffbab6dd3cd5
●Spaceflight News API5 hours ago
3 articles matched
●Open-Meteo Weather5 hours ago
Pad weather at 62.93, 40.46
●YouTube Video Search2 weeks ago
1 video discovered
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